ΔABC, biết AB=27cm , BC= 45 cm, CA= 36 cm; đường cao AH. chứng tỏ a) ΔABC vuông tại A
b) Tính số đo góc ABH
c) tính độ dài đoạn thẳng AH, BH?

Which of these triangle pairs can be mapped to each other using two reflections?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

Can someone explain to me how to do